Proofreading your own work, and when to stop
The typo on page one survived eleven read-throughs. That is normal, and it is not carelessness.
Fluent reading is prediction. You do not inspect letters — you take a word's shape, add the context, and supply the rest faster than you could have spelled it out. On a stranger's prose the prediction is occasionally wrong and you notice. On your own it is nearly always right, because you are not reading the sentence, you are recalling it. The eye delivers what you intended and the page keeps what you typed.
So proofreading your own work is not a matter of trying harder. It is a matter of arranging conditions in which the prediction fails.
Change the medium
Every technique that genuinely works is a version of one idea: destroy the shape of the page your memory has already learned.
- Print it. Different size, different line endings, different ink. Paper also removes the cursor, which is the thing that invites you to fix as you go instead of reading.
- Read it on a device. A phone breaks 90,000 words into a few thousand short lines you have never seen before. Awkward for revision, excellent for spotting.
- Change the typeface and the measure. Set the file in a face you would never write in, at a width you never use. Every line now ends in a new place, and the word your eye has been skipping for months arrives in unfamiliar company.
None of these change a syllable of the text. They change the picture, and the picture is what your memory was matching against.
Have it read to you
Read it aloud. Slow and the most effective single thing on this list. Your mouth stumbles where the sentence is broken, at a dropped word, a doubled word, a clause that never closes.
Or let a machine read it. Text-to-speech reads what is on the page rather than what you meant, at a pace you cannot skim. Missing articles, repeated phrases and sentences that lost their verb in a rewrite all become audible.
Be clear about the limit: a machine cannot catch a homophone. Their and there sound identical, so they pass. Listening finds the structural faults; the eye has to find the rest.
Read backwards, by sentence
For spelling specifically, start at the last sentence of the chapter, read it, then the one before it, and work up. The story disappears, so you cannot ride the meaning past the error. Word by word backwards works too, and is so slow it is only worth it on short, expensive text: the title page, the copyright page, the back cover blurb, the chapter titles.
It is not a method for a whole novel. Use it where one typo is most expensive.
One fault per pass
A pass for everything is a pass for nothing. You cannot hold ten checks in your head at once, and the one you drop is always the one you were confident about.
Run separate passes, each ignoring everything else. One for proper nouns and place names. One for numbers, dates, ages and times. One for punctuation alone — quotation marks, dashes, apostrophes. One that reads only the chapter titles and the contents, and nothing in between. Each pass is fast precisely because it is narrow.
In the Interior Formatter. It generates the contents from your real chapter structure and numbers the chapters itself, so the list you check against is derived from the book rather than typed a second time. Previews are free, unlimited and watermarked, so you can print the actual typeset pages and proof on those. Start a book → · about the Interior Formatter
What a spell checker cannot catch
Everything below is correctly spelled. That is the problem.
- The homophone pair. Their and there, its and it's, lead and led, rein and reign, discreet and discrete. All real words, all invisible to a dictionary check.
- The name you changed in chapter two. You renamed a character and the old name survives in three places, one of them in dialog.
- The missing word in a sentence you rewrote. Revision is where words vanish. You fix the front half of a sentence and leave the back half from the previous version, and the join reads fine to you because you can still hear both.
- The duplicated word across a line break. "The the" at the end of one line and the start of the next. Checkers that flag doubled words are least reliable exactly where the pair straddles a break.
- The quotation mark facing the wrong way. A word processor guesses the direction from what precedes it, so an apostrophe that opens a word — 'tis, 'em, '90s — comes out as an opening quote pointing backwards. Punctuation that typesets badly covers the whole family.
- The near-miss word. Form for from, casual for causal, manger for manager. These reach print more often than any other class of error.
Proofread the pages, not the manuscript
The production proofread is a different job from the editorial one, and it happens after typesetting, because the faults it looks for do not exist in a .docx.
A word hyphenated at a line break in a place that changes how it reads. A running head still carrying the previous chapter's title. A scene break that vanished at a page turn. A chapter opening on the wrong side of the spread. Contents entries that no longer match the pages they point at.
Keep the fixes tiny — a letter, a comma, a hyphen — because a longer correction re-flows the text after it and moves every page that follows. The editing passes that have to happen before typesetting explains why that ordering is not negotiable.
What you will still miss
A proofreader finds things you will not, and that is not a comment on your care. It is the cheapest editorial service because it is the narrowest one — no restructuring, no rewriting, no arguing with your voice.
It is also the last step, not a substitute for the passes in front of it. A proofreader corrects errors; they do not make an inconsistent book consistent.
When to stop
The signal is measurable. Count what each pass actually changes. While you are finding errors — a wrong name, a missing word, a broken quotation mark — keep going. When a full pass turns up two commas and eleven rewordings, you have stopped proofreading and started revising, and revising a typeset book changes the page count, which changes the contents and the spine.
Decide the number of passes before you begin, so that stopping is one decision rather than one you have to keep making at midnight. Published books contain typos. The second printing is where they get fixed.
Make yours
Everything here is built into the tools, and they are free to use: name your book, bring your manuscript or your artwork, and work as long as you like. You only pay when you want the files without the preview watermark.
Next: The editing passes that have to happen before typesetting · More: The proof checklist, front to back · Punctuation that typesets badly · The style sheet: how a series stays consistent